package com.atguigu.gulimall.order.intercepter;

import com.atguigu.common.constant.AuthServerConstant;
import com.atguigu.common.model.vo.MemberResponseVo;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

@Component
public class LoginUserInterceptor implements HandlerInterceptor {
    public static ThreadLocal<MemberResponseVo> loginUser = new ThreadLocal<>();

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        HttpSession session = request.getSession();
        MemberResponseVo attribute = (MemberResponseVo) session.getAttribute(AuthServerConstant.LOGIN_USER);
        if (attribute != null) {
            loginUser.set(attribute);
            return true;
        } else {
            //没登录就去登录
            session.setAttribute("msg", "请先登录!");
            response.sendRedirect("http://auth.gulimall.com/login");
            return false;
        }
    }
}
